.tabs {
  position: fixed;
  box-sizing: border-box;
  bottom: 0;
  width: 100%;
  height: 50px;
  display: flex;
  flex-direction: row;
  justify-content:center
}
.tab {
  padding: 10px;
  text-align: center;
  flex: 1;
  color: #000;
}
.actived {
  background-color: #1E90FF;
  color: #fff;
}
